2687724042 has 8 divisors (see below), whose sum is σ = 5375448096. Its totient is φ = 895908012.

The previous prime is 2687724037. The next prime is 2687724101. The reversal of 2687724042 is 2404277862.

It is a sphenic number, since it is the product of 3 distinct primes.

2687724042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2687723985 and 2687724003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223976998 + ... + 223977009.

It is an arithmetic number, because the mean of its divisors is an integer number (671931012).

Almost surely, 2^2687724042 is an apocalyptic number.

2687724042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687724042 is a wasteful number, since it uses less digits than its factorization.

2687724042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447954012.

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 2687724042 is about 51843.2641912139. The cubic root of 2687724042 is about 1390.3630751079.

The spelling of 2687724042 in words is "two billion, six hundred eighty-seven million, seven hundred twenty-four thousand, forty-two".